SURFACE TREATMENT METHOD OF COMPONENTS OF OIL-FREE COMPRESSOR OR WATER PUMP

PROBLEM TO BE SOLVED: To provide a surface treatment method of components of an oil-free water circulation compressor of a water pump which can prevent rusting and improve durability of an exposed surface of the components of the compressor and pump. SOLUTION: An A film 3 is formed first on an expos...

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Bibliographische Detailangaben
1. Verfasser:	HATAKEYAMA SHOICHI
Format:	Patent
Sprache:	eng
Schlagworte:	APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL BLASTING CHEMICAL SURFACE TREATMENT CHEMISTRY COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL COATING MATERIAL WITH METALLIC MATERIAL COATING METALLIC MATERIAL DIFFUSION TREATMENT OF METALLIC MATERIAL HEATING INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL LIGHTING MECHANICAL ENGINEERING METALLURGY PERFORMING OPERATIONS POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TOSURFACES, IN GENERAL PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS SPRAYING OR ATOMISING IN GENERAL SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a surface treatment method of components of an oil-free water circulation compressor of a water pump which can prevent rusting and improve durability of an exposed surface of the components of the compressor and pump. SOLUTION: An A film 3 is formed first on an exposed surface of an component 4 by electroless Nickel method, that is, Kanigen process. The surface of the A film 3 is coated by a B film 1. A double film 2 composed of the A film 3 and the B film 1 are formed on the surface of the component 4. The B film 1 is made of solid lubricant film having advantages of fluororesin or epoxy resin. It shows excellent in evenness of film thickness, durability, weather durability and water-repellence. The component 4 does not show water- permeableness accordingly. Prefect waterproofness is thus attained.